Citation: He Wen Wang, Ya Qing Feng, Chen Chen, Jin Qiang Xue. Two novel fluorescent calix[4]arene derivatives with benzoazole units in 1,3-alternate conformation for selective recognitionto Fe³⁺and Cr³⁺[J]. Chinese Chemical Letters, ;2009, 20(11): 1271-1274. doi: 10.1016/j.cclet.2009.05.022 shu

Two novel fluorescent calix[4]arene derivatives with benzoazole units in 1,3-alternate conformation for selective recognitionto Fe³⁺and Cr³⁺

a School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;
b College of Chemistry and Applied Chemistry, Huanggang Normal University, Huanggang 438000, China

Received Date: 9 March 2009

Fund Project: Thanks for Natural Science Foundation of Tianjin (No. 07JCZDJC00300) and Tianjin International Coorperation Program of Science and Technology (No. 08ZCGHHZ00400).

Two novel fluorescent calix[4]arene derivatives (1a) and (1b) with benzoxazole or benzothiazole units in 1,3-alternate conformation have been synthesized and characterized by IR,¹H NMR,¹³C NMR and MS. Their complexation properties to different heavy and transition metal ions have been studied by UV-vis spectroscopy and fluorescence spectrometer. Compounds (1a) and (1b) show selective recognition to Fe³⁺and Cr³⁺.
- Calixarenes,
- Benzoxazole,
- Benzothiazole,
- Imino,
- Recognition
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